1 files changed, 91 insertions, 0 deletions
diff --git a/src/pru/resource_table.h b/src/pru/resource_table.h
new file mode 100644
index 00000000..9dff2b9c
--- /dev/null
+++ b/src/pru/resource_table.h
@@ -0,0 +1,91 @@
+/****************************************************************
+ * Resource table
+ ****************************************************************/
+
+#ifndef _RESOURCE_TABLE_H_
+#define _RESOURCE_TABLE_H_
+
+#include <stddef.h>
+#include "pru_virtio_ids.h"
+
+/*
+ * Sizes of the virtqueues (expressed in number of buffers supported,
+ * and must be power of 2)
+ */
+#define PRU_RPMSG_VQ0_SIZE      16
+#define PRU_RPMSG_VQ1_SIZE      16
+
+/*
+ * The feature bitmap for virtio rpmsg
+ */
+#define VIRTIO_RPMSG_F_NS       0               //name service notifications
+
+/* This firmware supports name service notifications as one of its features */
+#define RPMSG_PRU_C0_FEATURES   (1 << VIRTIO_RPMSG_F_NS)
+
+/* Definition for unused interrupts */
+#define HOST_UNUSED             255
+
+struct my_resource_table {
+    struct resource_table base;
+
+    uint32_t offset[1]; /* Should match 'num' in actual definition */
+
+    /* rpmsg vdev entry */
+    struct fw_rsc_vdev rpmsg_vdev;
+    struct fw_rsc_vdev_vring rpmsg_vring0;
+    struct fw_rsc_vdev_vring rpmsg_vring1;
+
+};
+
+#if !defined(__GNUC__)
+  #pragma DATA_SECTION(resourceTable, ".resource_table")
+  #pragma RETAIN(resourceTable)
+  #define __resource_table      /* */
+#else
+  #define __resource_table __attribute__((section(".resource_table")))
+#endif
+
+struct my_resource_table resourceTable __resource_table = {
+    {
+        1,              /* Resource table version: only version 1 is
+                         * supported by the current driver */
+        1,              /* number of entries in the table */
+        {0, 0},       /* reserved, must be zero */
+    },
+    /* offsets to entries */
+    {
+        offsetof(struct my_resource_table, rpmsg_vdev),
+    },
+
+    /* rpmsg vdev entry */
+    {
+        (uint32_t)TYPE_VDEV,            //type
+        (uint32_t)VIRTIO_ID_RPMSG,      //id
+        (uint32_t)0,                    //notifyid
+        (uint32_t)RPMSG_PRU_C0_FEATURES,//dfeatures
+        (uint32_t)0,                    //gfeatures
+        (uint32_t)0,                    //config_len
+        (uint8_t)0,                     //status
+        (uint8_t)2,                     //num_of_vrings, only two is supported
+        {(uint8_t)0, (uint8_t)0 },      //reserved
+        /* no config data */
+    },
+    /* the two vrings */
+    {
+        FW_RSC_ADDR_ANY,    //da, will be populated by host, can't pass it in
+        16,                 //align (bytes),
+        PRU_RPMSG_VQ0_SIZE, //num of descriptors
+        0,                  //notifyid, will be populated, can't pass right now
+        0                   //reserved
+    },
+    {
+        FW_RSC_ADDR_ANY,    //da, will be populated by host, can't pass it in
+        16,                 //align (bytes),
+        PRU_RPMSG_VQ1_SIZE, //num of descriptors
+        0,                  //notifyid, will be populated, can't pass right now
+        0                   //reserved
+    },
+};
+
+#endif /* _RESOURCE_TABLE_H_ */